The factor pairs of 72 are: 1,72 and 2,36 and 3,24 and 4,18 and 6,12 and 8,9.
The factor pairs of 72 are (72,1), (36,2), (24,3), (18,4), (12,6), and (9,8).
60, 72, 84, 90 and 96 have 6 factor pairs.
The factor pairs of 72 are: 1 X 72 2 X 36 3 X 24 4 X 18 6 X 12 8 X 9
(72,1)(36,2)(24,3)(18,4)(12,6)(9,8)
(72,1)(36,2)(24,3)(18,4)(12,6)(9,8)
(72,1)(36,2)(24,3)(18,4)(12,6)(9,8)
(72,1)(36,2)(24,3)(18,4)(12,6)(9,8)
(72,1)(36,2)(24,3)(18,4)(12,6)(9,8)
1 and 72 2 and 36 3 and 24 4 and 18 6 and 12 9 and 8
(1, 72) (2, 36) (3, 24) (4, 18) (6, 12) (8, 9)
The factor pairs of 216 are 1*216, 2*108, 3*72, 4*54, 6*36, 8*27, 9*24, and 12*18